Windows 95/4.00.224: Difference between revisions

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{{infobox WindowsBuild
{{Infobox Buildinfo
|title=Build of [[Windows 95]]
|image = Windows 95 224 Fre English.PNG
|image = Windows 95 224 Fre English.PNG
|imagecaption = Windows 95 Build 224
|imagecaption = 4.00.224
|kernel = Windows 9x 4.00
|kernel = Windows 9x (4.00)
|arch= x86
|arch = x86
|key= Beta ID:<br><code>186349</code><br>Password:<br><code>94730fb34</code>
|sku = N/A
|sku = N/A
|bios = October 28th 1994
|bios = 29th October 1994
|tcb_build=[http://www.thecollectionbook.info/builds/windows/build/11 Click Here]
|tcb = [http://www.thecollectionbook.info/builds/windows/build/11 Beta ID: 186349<br>Password: 94730fb34]
|database=[https://www.betaarchive.com/database/search.php?q=4.00.224 Click Here]
}}
}}
'''Build 224''' is a Beta 2 build of Windows 95, compiled on 28th October 1994. It was released on Fall COMDEX 1994. It is very similar to build 222.
'''Windows 95 build 224''' is a Beta 2 build of [[Windows 95]], compiled on the 28th of October 1994. It was demonstrated at Fall COMDEX 1994. It is very similar to build 222.


== Installation ==
== Installation ==
''Installing from Windows 95 Boot Floppy''<br>
''Installing from Windows 95 boot floppy:''
1. Prepare Disk with <code>fdisk.exe</code>, reboot, then format. <code>format.com C:</code><br>
# Prepare disk with <code>fdisk</code>, reboot, then format (<code>format C:</code>).
2. Change to the CD-ROM and enter the <code>RETAIL</code> directory.<br>
# Change path to the CD-ROM and run <code>setup</code>.
3. Run <code>setup.exe</code> from the CD-ROM.<br>
# Accept the default settings, fill in required information and then continue to the file copying process. You may also customize the features to be installed.
4. Accept the default settings and fill in required information then continue to the file copying process. You may also customize the features to be installed.<br>
# When complete, remove floppy and reboot.
5. When complete, remove the floppy and reboot.<br>


== Checked/Debug Problems ==
== Checked/debug problems ==
This build exists in both free and checked/debug versions, its SDK is also available.
This build exists in both free and checked/debug versions. Its SDK is also available.
However, the checked/debug version has issues booting with checked <code>USER.EXE</code>. To fix it USER.EXE from the free release needs to replace the checked USER.EXE.
However, the checked/debug version has boot issues with checked <code>USER.EXE</code>. To fix it, <code>USER.EXE</code> from the free version needs to replace the checked one.


Some information about why Windows won't boot using checked USER.EXE after lot of kernel-debugging:
Some information about why Windows won't boot using checked USER.EXE after lot of kernel-debugging:


*The free <code>USER32.DLL</code>, when loading the Segment 21h from USER.EXE, which has the "Debug Windows 4.00.224" string. It checks for a word inside the segment to ensure it's valid. It should have a value of 0EAAh, but unfortunately the value taken is 6763h ("gc" in ASCII). Hence it'll lead to invalid paging of the segment. Because of that Windows will show a BSOD.
*The free <code>USER32.DLL</code>, when loading the Segment 21h from <code>USER.EXE</code>, which has the "Debug Windows 4.00.224" string. It checks for a word inside the segment to ensure it is valid. It should have a value of 0EAAh, but unfortunately the value taken is 6763h ("gc" in ASCII). Hence it will lead to invalid paging of the segment. Because of that Windows will show a BSOD.
*After changing the pointer to correct position, you'll be able to see the GUI with the watermark "Debug Windows" in right-bottom. However, hWnd pointers are done inside the same segment, hence <code>EXPLORER.EXE</code> will fail to load and will show an error or send "Invalid hWnd" to the kernel debugger. Setting the hWnd in debugger to 0 will let it run explorer.exe, though some issues remain (including system time in the taskbar).
*After changing the pointer to correct position, you will be able to see the GUI with the watermark "Debug Windows" in right-bottom. However, hWnd pointers are done inside the same segment, hence <code>EXPLORER.EXE</code> will fail to load and will show an error or send "Invalid hWnd" to the kernel debugger. Setting the hWnd in debugger to 0 will let it run <code>EXPLORER.EXE</code>, though some issues remain (including system time in the taskbar).


==External links==
== Gallery ==
*[http://en.wikipedia.org/wiki/Windows_95#Beta Description of Microsoft Chicago]
<gallery>
Chicago 224.png|System properties (fail-safe mode)
</gallery>

Latest revision as of 14:34, 7 November 2023

{{{title}}}
Windows 95 224 Fre English.PNG
4.00.224
Kernel version Windows 9x (4.00)
CPU architecture x86
Edition N/A
BIOS date 29th October 1994
TCB Beta ID: 186349
Password: 94730fb34

Windows 95 build 224 is a Beta 2 build of Windows 95, compiled on the 28th of October 1994. It was demonstrated at Fall COMDEX 1994. It is very similar to build 222.

Installation

Installing from Windows 95 boot floppy:

  1. Prepare disk with fdisk, reboot, then format (format C:).
  2. Change path to the CD-ROM and run setup.
  3. Accept the default settings, fill in required information and then continue to the file copying process. You may also customize the features to be installed.
  4. When complete, remove floppy and reboot.

Checked/debug problems

This build exists in both free and checked/debug versions. Its SDK is also available. However, the checked/debug version has boot issues with checked USER.EXE. To fix it, USER.EXE from the free version needs to replace the checked one.

Some information about why Windows won't boot using checked USER.EXE after lot of kernel-debugging:

  • The free USER32.DLL, when loading the Segment 21h from USER.EXE, which has the "Debug Windows 4.00.224" string. It checks for a word inside the segment to ensure it is valid. It should have a value of 0EAAh, but unfortunately the value taken is 6763h ("gc" in ASCII). Hence it will lead to invalid paging of the segment. Because of that Windows will show a BSOD.
  • After changing the pointer to correct position, you will be able to see the GUI with the watermark "Debug Windows" in right-bottom. However, hWnd pointers are done inside the same segment, hence EXPLORER.EXE will fail to load and will show an error or send "Invalid hWnd" to the kernel debugger. Setting the hWnd in debugger to 0 will let it run EXPLORER.EXE, though some issues remain (including system time in the taskbar).

Gallery